Commencement Speech: An Even Number of Sign Errors
'Your goal isn't to make no sign errors; it's to make an even number.'
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2017-06-07-commencement-speeches-for-mathematicians--commencement-speech-an-even-number-of-sign-errors/ (CC BY-NC 4.0)Transcript
"Look, we all make mistakes. Your goal isn't to make no sign errors; it's to make an even number."